<script setup>
import request from "@/utils/request";
import { ref, onMounted } from 'vue';
import { useRouter } from 'vue-router';

const router = useRouter();
const loading = ref(true);
const form = ref({});
const dialogVisible = ref(false);
const search = ref('');
const currentPage = ref(1);
const pageSize = ref(10);
const total = ref(0);
const tableData = ref([]);
const permissions = ref([]);

const handleChange = (row) => {
  console.log(row);
  // return; // 这里的return如果是注释掉的，说明可能后续要取消这个返回逻辑
  request.put("/role/changePermission", row).then(res => {
    if (res.code === '0') {
      // 假设 $message 是通过 app.config.globalProperties.$message 挂载的全局方法
      app.config.globalProperties.$message.success("更新成功");
      if (res.data) {
        router.push("/login");
      }
    }
  });
};

const load = () => {
  loading.value = true;
  request.get("/role", {
    params: {
      pageNum: currentPage.value,
      pageSize: pageSize.value,
      search: search.value
    }
  }).then(res => {
    loading.value = false;
    tableData.value = res.data.records;
    total.value = res.data.total;
  });

  request.get("/permission/all").then(res => {
    permissions.value = res.data;
  });
};

const add = () => {
  dialogVisible.value = true;
  form.value = {};
};

const save = () => {
  if (form.value.id) {
    request.put("/role", form.value).then(res => {
      if (res.code === '0') {
        app.config.globalProperties.$message({
          type: "success",
          message: "更新成功"
        });
      } else {
        app.config.globalProperties.$message({
          type: "error",
          message: res.msg
        });
      }
      load();
      dialogVisible.value = false;
    });
  } else {
    const userStr = sessionStorage.getItem("user") || "{}";
    const user = JSON.parse(userStr);
    form.value.author = user.nickName;

    request.post("/role", form.value).then(res => {
      if (res.code === '0') {
        app.config.globalProperties.$message({
          type: "success",
          message: "新增成功"
        });
      } else {
        app.config.globalProperties.$message({
          type: "error",
          message: res.msg
        });
      }
      load();
      dialogVisible.value = false;
    });
  }
};

const handleEdit = (row) => {
  form.value = JSON.parse(JSON.stringify(row));
  dialogVisible.value = true;
};

const handleDelete = (id) => {
  request.delete("/role/" + id).then(res => {
    if (res.code === '0') {
      app.config.globalProperties.$message({
        type: "success",
        message: "删除成功"
      });
    } else {
      app.config.globalProperties.$message({
        type: "error",
        message: res.msg
      });
    }
    load();
  });
};

const handleSizeChange = (newPageSize) => {
  pageSize.value = newPageSize;
  load();
};

const handleCurrentChange = (newPageNum) => {
  currentPage.value = newPageNum;
  load();
};

onMounted(() => {
  load();
});
</script>

<template>
  <div style="padding: 10px">
    <!-- 功能区域-->
    <div style="margin: 10px 0">
      <el-button type="primary" @click="add">新增</el-button>
    </div>

    <!-- 搜索区域-->
    <div style="margin: 10px 0">
      <el-input v-model="search" placeholder="请输入关键字" style="width: 20%" clearable></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>
    </div>
    <el-table v-loading="loading" :data="tableData" border stripe style="width: 100%">
      <el-table-column prop="id" label="ID" sortable width="80">
      </el-table-column>
      <el-table-column prop="name" label="名称">
      </el-table-column>
      <el-table-column prop="comment" label="备注">
      </el-table-column>
      <el-table-column label="权限菜单">
        <template #default="scope">
          <el-select clearable v-model="scope.row.permissions" multiple placeholder="请选择" style="width: 80%">
            <el-option v-for="item in permissions" :key="item.id" :label="item.comment" :value="item.id"></el-option>
          </el-select>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template #default="scope">
          <el-button size="mini" type="primary" @click="handleChange(scope.row)">保存权限菜单</el-button>
          <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
          <el-popconfirm title="确定删除吗？" @confirm="handleDelete(scope.row.id)">
            <template #reference>
              <el-button size="mini" type="danger">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="currentPage"
        :page-sizes="[5, 10, 20]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </div>

    <el-dialog title="提示" v-model="dialogVisible" width="30%">
      <el-form :model="form" label-width="120px">
        <el-form-item label="名称">
          <el-input v-model="form.name" style="width: 80%"></el-input>
        </el-form-item>
        <el-form-item label="备注">
          <el-input v-model="form.comment" style="width: 80%"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="save">确 定</el-button>
        </span>
      </template>
    </el-dialog>

  </div>
</template>
